All Countries
Weather & Climate in Westport, Ireland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Westport experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 42°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 62 feet.
Temperature
42°F Jan (5°C)
58°F Jul (15°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 1,277.7 sq mi (3,309.3 km²) |
| Population Density | 5/sq mi |
| Coordinates | 53.8000°N, 9.5167°W |
| Timezone | Europe/Dublin |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 6, 2012 | 60 km W of Belmullet, Ireland | M4.0 | 99 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.6 in | Coldest |
| February | 42°F (5°C) | 3.7 in | |
| March | 44°F (7°C) | 4.1 in | |
| April | 46°F (8°C) | 2.8 in | Driest |
| May | 51°F (11°C) | 3.2 in | |
| June | 55°F (13°C) | 2.9 in | |
| July | 58°F (15°C) | 3.0 in | Warmest |
| August | 58°F (14°C) | 3.9 in | |
| September | 55°F (13°C) | 4.7 in | |
| October | 50°F (10°C) | 5.5 in | |
| November | 45°F (7°C) | 5.7 in | Wettest |
| December | 43°F (6°C) | 5.6 in |
Westport has a seasonal temperature swing of 17°F / from 42°F in January to 58°F in July. Total annual precipitation is 50.6 inches, with November being the wettest month (5.7") and April the driest (2.8").